Cut the pork into bite-sized pieces.
Cut the kimchi into bite-sized pieces as well.
Heat cooking oil in a pan and stir-fry the pork.
When the pork is about halfway cooked, add the kimchi and stir-fry together.
Season with red pepper powder, sugar, and soy sauce.
Continue stir-frying until all ingredients are fully cooked.
Transfer the finished stir-fried pork and kimchi to a plate.